ISSUER PROFILE · CIK 0001659494 · CUSIP 16954L204

51Talk Online Education GroupCOE

15 13D/G filings 4 distinct filers 87 insider transactions (365d)

Post-Filing Returns · across 2 activist filings on this issuer

Median 30d

-15.9%

avg -15.9%

Median 60d

-11.1%

avg -11.1%

Median 90d

-30.2%

avg -30.2%

Median 180d

-51.2%

avg -51.2%

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings

1 SCHEDULE 13D/A · 2 SCHEDULE · 12 SC

Distinct filers

multi-activist cluster

Insiders (365d)

69 buys · 0 sales

Latest short DTC

1.00

as of 2026-10-15

13D/G Filings Timeline · 15 total

Filed	Form	Filer	Stake	Shares
2026-10-16	SCHEDULE 13D/A	Huang Jack Jiajia	37.40%	134,684,684	view →
2026-01-12	SCHEDULE	Huang Jack Jiajia	33.80%	118,647,664	view →
2025-10-10	SCHEDULE	Huang Jack Jiajia	32.60%	114,538,324	view →
2024-07-11	SC	Huang Jack Jiajia	—	—	view →
2023-07-10	SC	Dasheng Global Ltd	—	—	view →
2022-01-27	SC	DCM Ventures China Turbo Fund, L.P.	—	—	view →
2021-04-27	SC	Sequoia Capital China Growth Fund I LP	—	—	view →
2020-11-13	SC	Sequoia Capital China Growth Fund I LP	—	—	view →
2020-06-10	SC	Sequoia Capital China Growth Fund I LP	—	—	view →
2020-04-13	SC	DCM Ventures China Turbo Fund, L.P.	—	—	view →
2020-04-08	SC	Sequoia Capital China Growth Fund I LP	—	—	view →
2020-02-05	SC	DCM Ventures China Turbo Fund, L.P.	—	—	view →
2019-04-25	SC	Sequoia Capital China Growth Fund I LP	—	—	view →
2019-02-11	SC	DCM Ventures China Turbo Fund, L.P.	—	—	view →
2018-04-26	SC	Sequoia Capital China Growth Fund I LP	—	—	view →

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-10-02	Shu Ting	director	F	4,020	$10.46	$42K
2026-10-02	Huang Jack Jiajia	director, officer, 10%+	F	4,020	$10.46	$42K
2026-10-01	Shu Ting	director	Option exercise	18,180	—	—
2026-10-01	Shu Ting	director	Option exercise	18,180	—	—
2026-10-01	Huang Jack Jiajia	director, officer, 10%+	Option exercise	18,180	—	—
2026-10-01	Huang Jack Jiajia	director, officer, 10%+	Option exercise	18,180	—	—
2026-10-01	Lai Jimmy Y.	director	Option exercise	23,505	—	—
2026-10-01	Lai Jimmy Y.	director	Option exercise	23,505	—	—
2026-09-25	Huang Jack Jiajia	director, officer, 10%+	Buy	1,227,600	$11.50	$14.12M
2026-09-24	Huang Jack Jiajia	director, officer, 10%+	Buy	2,880	$11.50	$33K
2026-09-23	Huang Jack Jiajia	director, officer, 10%+	Buy	897,300	$11.50	$10.32M
2026-09-22	Huang Jack Jiajia	director, officer, 10%+	Buy	378,420	$11.50	$4.35M
2026-09-18	Huang Jack Jiajia	director, officer, 10%+	Buy	1,920	$11.50	$22K
2026-09-17	Huang Jack Jiajia	director, officer, 10%+	Buy	304,020	$11.48	$3.49M
2026-08-18	Huang Jack Jiajia	director, officer, 10%+	Option exercise	137,500	—	—
2026-08-18	Huang Jack Jiajia	director, officer, 10%+	Option exercise	137,500	—	—
2026-08-18	Shu Ting	director	Option exercise	137,500	—	—
2026-08-18	Shu Ting	director	Option exercise	137,500	—	—
2026-08-13	Huang Jack Jiajia	director, officer, 10%+	Buy	35,400	$20.83	$737K
2026-08-12	Huang Jack Jiajia	director, officer, 10%+	Buy	337,500	$20.17	$6.81M
2026-08-11	Huang Jack Jiajia	director, officer, 10%+	Buy	254,820	$19.61	$5.00M
2026-08-10	Huang Jack Jiajia	director, officer, 10%+	Buy	199,980	$19.72	$3.94M
2026-08-07	Huang Jack Jiajia	director, officer, 10%+	Buy	90,480	$19.39	$1.75M
2026-08-06	Huang Jack Jiajia	director, officer, 10%+	Buy	105,120	$19.29	$2.03M
2026-07-30	Huang Jack Jiajia	director, officer, 10%+	Buy	194,460	$17.21	$3.35M

Showing 25 of 87

FINRA Short Interest History

Settlement	Short Interest	Days to Cover	% Δ vs prior
2026-10-15	9,811	1.00	-45.5%
2026-09-30	18,002	1.00	-24.6%
2026-09-15	23,863	1.00	+12.3%
2026-08-31	21,250	1.00	+15.7%
2026-08-14	18,364	1.03	-2.1%
2026-07-31	18,759	1.00	+73.7%
2026-07-15	10,801	1.00	-42.0%
2026-06-30	18,628	1.03	+105.9%
2026-06-15	9,046	1.28	-3.1%
2026-05-29	9,335	1.34	+31.8%
2026-05-15	7,081	1.00	+3.1%
2026-04-30	6,865	1.00	-6.5%

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